理学 计算机硬件电路 释 feed-through;pin-through-hole 通孔 穿透印制电路板所有层的过孔。把引脚插入通孔并在反面焊盘上焊牢，可将元器件固定安装在印制板上。
计算机硬件 计算机工程制造 释文 feed-through, pin-through-hole 通孔
- general fire
- General Fisheries Commission for the Mediterranean
- general form
- general formula
- general formula of fluctuation
- general frame
- General Functional Requirements for Electronic Records Management System
- general geographic map
- general geometry
- general geomtery of paths
- general goal
- general group
- general helix
- general history exhibition
- General History of Chinese Dance: Ancient Cultural Relics Catelogue Volume
- General history of Chinese economic thought
- General History of Chinese Operas
- General history of modern Chinese drama
- General History of Psychology
- General History of Science
- General History of the Operas of Chinese Ethnic Minorities
- general hospital
- general hyperplane
- general idea of records
- General Idea of Tianwen